No Inv.: 1735/S/Perp/92/1c~3216-3225/P/Perp/96/10c
No Inv.: 11868-11872/P/Perp/94/5c
No Inv.: 1280-1284/P/Perp/94/5c~1931-1940/P/Perp/95/10c
Bibliografi : hlm. 354-355No Inv.: 10009,2318/P/Perp/92
No Inv.: 12500-12504/Pb/Perp/94/5c~5951-5955/P/Perp/92/5c~88147-88156/P/Perp/04/10c~114996/SM/Perp/08/1c~117271-117273/P/Perp/09/3c
Judul asli : "Test Your Entrepreneurial IQ"
No Inv.: 9024-9028/P/Perp/92/5c
No Inv.: 4229-4246/Perp/86/18c~364/S/Perp/88/1c
No Inv.: 1641-1642/Perp/85/2c~3109-3110/P/Perp/91/2c~11634/P/Perp/93/1c~9376-9384/P/Perp/92/9c
No Inv.: 3706-3715/P/Perp/96/10c